Multiple directory traversal vulnerabilities in Magic Winmail Server 4.0 Build 1112 allow remote attackers to (1) upload arbitrary files via certain parameters to upload.php or (2) read arbitrary files via certain parameters to download.php, and remote authenticated users to read, create, or delete arbitrary directories and files via the IMAP commands (3) CREATE, (4) EXAMINE, (5) SELECT, or (6) DELETE.
https://exchange.xforce.ibmcloud.com/vulnerabilities/19114
https://exchange.xforce.ibmcloud.com/vulnerabilities/19108
http://www.securityfocus.com/bid/12388
http://securitytracker.com/id?1013017